===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/patch/util.c,v
retrieving revision 1.44
retrieving revision 1.45
diff -c -r1.44 -r1.45
*** src/usr.bin/patch/util.c	2019/08/17 14:25:06	1.44
--- src/usr.bin/patch/util.c	2019/12/02 22:17:32	1.45
***************
*** 1,4 ****
! /*	$OpenBSD: util.c,v 1.44 2019/08/17 14:25:06 deraadt Exp $	*/
  
  /*
   * patch - a program to apply diffs to original files
--- 1,4 ----
! /*	$OpenBSD: util.c,v 1.45 2019/12/02 22:17:32 jca Exp $	*/
  
  /*
   * patch - a program to apply diffs to original files
***************
*** 61,67 ****
  		fromfd = open(from, O_RDONLY);
  		if (fromfd == -1)
  			pfatal("internal error, can't reopen %s", from);
! 		while ((i = read(fromfd, buf, sizeof buf)) > 0)
  			if (write(STDOUT_FILENO, buf, i) != i)
  				pfatal("write failed");
  		close(fromfd);
--- 61,67 ----
  		fromfd = open(from, O_RDONLY);
  		if (fromfd == -1)
  			pfatal("internal error, can't reopen %s", from);
! 		while ((i = read(fromfd, buf, bufsz)) > 0)
  			if (write(STDOUT_FILENO, buf, i) != i)
  				pfatal("write failed");
  		close(fromfd);
***************
*** 160,166 ****
  	fromfd = open(from, O_RDONLY, 0);
  	if (fromfd == -1)
  		pfatal("internal error, can't reopen %s", from);
! 	while ((i = read(fromfd, buf, sizeof buf)) > 0)
  		if (write(tofd, buf, i) != i)
  			pfatal("write to %s failed", to);
  	close(fromfd);
--- 160,166 ----
  	fromfd = open(from, O_RDONLY, 0);
  	if (fromfd == -1)
  		pfatal("internal error, can't reopen %s", from);
! 	while ((i = read(fromfd, buf, bufsz)) > 0)
  		if (write(tofd, buf, i) != i)
  			pfatal("write to %s failed", to);
  	close(fromfd);
***************
*** 267,273 ****
  	if (ttyfd < 0)
  		ttyfd = open(_PATH_TTY, O_RDONLY);
  	if (ttyfd >= 0) {
! 		if ((nr = read(ttyfd, buf, sizeof(buf))) > 0 &&
  		    buf[nr - 1] == '\n')
  			buf[nr - 1] = '\0';
  	}
--- 267,273 ----
  	if (ttyfd < 0)
  		ttyfd = open(_PATH_TTY, O_RDONLY);
  	if (ttyfd >= 0) {
! 		if ((nr = read(ttyfd, buf, bufsz)) > 0 &&
  		    buf[nr - 1] == '\n')
  			buf[nr - 1] = '\0';
  	}